== sanity test 101b: check stride-io mode read-ahead =========================================================================== 07:28:06 (1749122886)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.449731s, 18.6525MB/s
Read-ahead success for size 8192

0.416545s, 20.1385MB/s
Read-ahead success for size 16384

0.445229s, 18.8411MB/s
Read-ahead success for size 32768

0.402166s, 20.8586MB/s
Read-ahead success for size 65536

0.354812s, 23.6424MB/s
Read-ahead success for size 131072

0.319593s, 26.2478MB/s
Read-ahead success for size 262144

0.288275s, 29.0993MB/s
Read-ahead success for size 524288

0.278833s, 30.0847MB/s
Read-ahead success for size 1048576